World War I

Question:

Answer:

America's effect was felt on many levels. First was the massive influx
of soldiers. Over 3 million American soldiers were part of the AEF. Second
was the promise of huge amounts of war material from American factories.
Their was the morale uplift the Allies got from this infusion of fresh
soldiers and material. America's entry led directly to the collapse of
Germany and the end of the war.
America Enter
the War